Rivers in Maryland

Whitemarsh Run at White Marsh

Baltimore County, MarylandNWS WHMM2USGS 01585100Sterling office

Below flood stage
4.12ftStage

Observed Tue, Sep 22, 6:00 AM EDT

Flood stage
11.00 ft
Record crest
18.49 ft1971

Open the live map with the river flood outlook

Flood stages and impacts

CategoryStage
Major flood18.00 ft
Moderate flood15.00 ft
Minor flood11.00 ft
Action9.00 ft
  1. 18.00 ftMajor flooding is occurring with buildings and roads severely impacted.
  2. 15.00 ftWater begins to affect buildings near the stream.
  3. 13.00 ftTown Center Court begins to flood.
  4. 11.00 ftWater begins to cover parking lots near the stream, particularly near Town Center Court.

Crest history

157 crests on NOAA’s list since 1960.

#DateStage
1August 1, 197118.49 ft
2September 30, 201016.73 ft
3August 27, 197816.17 ft
4June 27, 201516.11 ft
5September 11, 197115.86 ft
6June 10, 201215.86 ft
7September 16, 197615.84 ft
8July 16, 198915.55 ft
9September 27, 198515.53 ft
10September 23, 201115.50 ft
11September 6, 197915.09 ft
12September 8, 198714.61 ft
13July 4, 198314.60 ft
14June 22, 197214.44 ft
15August 14, 201214.32 ft
16September 18, 201814.24 ft
17August 26, 199914.22 ft
18December 18, 197713.97 ft
19June 28, 200613.96 ft
20February 25, 201613.93 ft
21March 27, 198313.84 ft
22July 20, 198913.83 ft
23December 24, 198613.77 ft
24July 11, 201913.73 ft
25June 3, 200613.47 ft

Most recent crests

  • January 10, 2024: 11.90 ft
  • September 13, 2023: 11.36 ft
  • July 4, 2023: 12.44 ft
  • July 3, 2022: 11.88 ft
  • July 17, 2021: 11.55 ft
  • July 11, 2019: 13.73 ft
  • September 18, 2018: 14.24 ft
  • August 14, 2018: 11.34 ft
  • August 13, 2018: 12.27 ft
  • May 27, 2018: 13.42 ft

Nearby

Upstream, downstream and the gauges around this one.

What this means

Forecasts by the Middle Atlantic River Forecast Center. Forecasts are not available. Only observed stages are available for this point. Stage may be affected by ice.

Sources

Stage, flood stages, impacts and crest history from NOAA’s National Water Prediction Service. Streamflow and the daily record from the U.S. Geological Survey.